Support for using HTML in some setting fields and fix of multiple bugs

【Contents of fixes】
■Adjusted the display style when hiding the date on the article detail page.
■The fixed footer bar for smartphones is now an external file and is up-to-date.
■Theme Options > Added support for using HTML in the description field of the “Top Page”.
■Fixed Page Templates 3 > Added support for using HTML in the “Menu Description” field of “Menu 1 Items” and “Menu 2 Items”.
■Fixes to resolve widget errors in PHP7 environment.
■Fixed the recommended size of Theme Options > Logo > Header Logo (for fixed header).

The files that have been modified for this update are as follows
【Corrected files】
admin/theme-options.php
footer.php
front-page.php
functions/head.php
functions/repeater.php
languages/ja.mo
languages/ja.po
page/template3.php
responsive.css
style.css
widget/ad.php
widget/category_list.php
widget/google_search.php
widget/styled_post_list1.php
【Added files】
css folder
css/footer-bar.css
footer-bar.php
img/common/facebook.png
img/common/line.png
img/common/twitter.png
js/footer-bar.js
js/footer-bar2.js

For more information, please visit the LOTUS (tcd039) download site for purchasers.